apamemea cathode o se ituaiga o uʻamea le ferrous lea e vavalalata vavalalata ma tagata soifua. Fa'aaoga lautele i le eletise, alamanuia malamalama, gaosiga o masini, fale faufale, alamanuia puipuiga a le atunuu ma isi fanua. Faʻaaogaina mo le faʻafefeteina o laina eseese, uaea, afi, transformers, ki, lolomi laupapa matagaluega. Fausia valve alamanuia ma mea fa'aoga, meafaifa'aili, pa'u fa'ase'e, molds, exchangers vevela ma pumps.Also faia gaogao, distillation tane, brewing tane ma isi.E faʻaaogaina foi i le alamanuia puipuiga e fai pulufana, atigi, vaega fana, ma isi.